ok symbolipoint thanks for your help but your information is not relating to he information that i need...what you can do for me is to let me have a good search engine that you can use to find out things like these
no that's not what i am really looking for...what i want is "The importance of curve sketching in the real world" i need so info on that(the Subject is Mathematics...calculus)
people i an doing a research on this topic "the importance of curves sketching in real world" i need some answer but i am a bit tied up so can i have some help please: